Steven Spielberg produced this 1993-96 NBC sci-fi series that followed the undersea adventures of a high-tech submarine assigned to protect the Earth's vast oceans in the early 21st century. At the helm was Capt. Nathan Bridger (Roy Scheider), who was joined by first officer Cmdr. Jonathan Ford (Don Franklin), boy genius Lucas Wolenczak (Jonathan Brandis) and super-intelligent dolphin Darwin. With Ted Raimi, Stephanie Beacham.23 episodes on 6 discs. 18 1/4 hrs. Standard; Soundtrack: English.